SAAB WIS ONLINE

Test data, control module connections

Test data, control module connections


Unless otherwise specified, the ignition should be switched ON. All data are approximate.

Pin

Component/Function

In/Out

Test condition

Test reading

Across X-Y

Signal, see page

1

Ground

In



< 0.4 V

1 - B neg

lyyly

2

Recirculation motor (F)

Out

Activate with ISAT: ON ;0.5q> Activate with ISAT: OFF

Batt+ 1 V ;0.5q> 0 V

2 - 1



3

Parking heater

In

Parking heater off

Parking heater on

Batt+



Batt+

22-3



3-1



4

+54 supply

In



Ignition OFF

<0.5 V

Batt+

Batt+ - 4



5

Not used











6

Not used











7

Not used











8

Air blending flap motor

Out

Stationary flap motor

approx. 1 V

8-1



9

Not used











10

Not used











11

SI-BUS(+)

In/Out



approx. 2.5 V

11-1



12

Not used











13

SI-BUS(-)

In/Out



approx. 2.5 V

13-1



14

Blended air sensor, ground

Out



< 0.1 V

14-1



15

Cabin temperature sensor, ground

Out



< 0.1 V

15-1



16

Power supply, cabin temperature fan

Out



Batt+

16-1



17

Power supply, fan control

Out



Batt+

17-1



18

Not used











19

Not used











20

Control voltage, fan

Out

No fan

Full fan

0 V

5 V

20-1



21

Recirculation motor (R)

Out

Activate "ON" with ISAT

Activate "OFF" with ISAT

0 V



BATT+ -1 V

21-1



22

+30 supply

In



< 0.5 V

B+ 22



23

Air distribution flap motor

Out

Stationary flap motor

Batt+ 1 V

23-1



24

Air distribution flap motor

Out

Stationary flap motor

approx. 1 V

24-1



25

Air distribution flap motor

Out

Stationary flap motor

Batt+ 1 V

25-1



26

Air distribution flap motor

Out

Stationary flap motor

approx. 1 V

26-1



27

Air blending flap motor

Out

Stationary flap motor

Batt+ 1 V

27-1



28

Air blending flap motor

Out

Stationary flap motor

Batt+ 1 V

28-1



29

Air blending flap motor

Out

Stationary flap motor

approx. 1 V

29-1



30

Rheostat

In

Max. rheostat

Batt+

30-1



31

Electrically heated rear window

In

Heated rear window on

Heated rear window off

0 V

Batt+

31-1



32

Blended-air sensor

In

At approx. +23 ° C

approx. 2.5 V

32-1



33

Cabin temperature sensor

In

At approx. +20 ° C

approx. 2.7 V

33-1



34

Solar sensor

In

Illuminate with light bulb

0-0.5 V

34-1



35

Solar sensor ground

Out



< 0.1 V

35-1



36

Not used











37

Test voltage, fan

In

Full fan

No fan

0 V

Batt+

37-1



38

AC (to ICE)

Out

AUTO MODE

ECON MODE

Batt+

0 V

38-1



39

Electrically heated rear window

Out

Heated rear window ON (use test diode)

Heated rear window off

Diode flashes